MRSH: Marsh & Mclennan Cos Inc insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Institutional ownership (Q2 2026)
1,508 institutions reported holding $69.30B of Marsh & Mclennan Cos Inc on Form 13F (1,547 the quarter before). 127 opened a new position and 168 sold out. Shares held by institutions: same.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 39,502,046 | $6.58B |
| VANGUARD CAPITAL MANAGEMENT LLC | 31,472,575 | $5.25B |
| STATE STREET CORP | 22,401,676 | $3.73B |
| Capital World Investors | 18,122,340 | $3.02B |
| WELLINGTON MANAGEMENT GROUP LLP | 16,975,238 | $2.83B |
| Capital International Investors | 15,729,457 | $2.62B |
| GEODE CAPITAL MANAGEMENT, LLC | 13,510,274 | $2.25B |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 12,570,512 | $2.10B |
| Capital Research Global Investors | 10,973,649 | $1.83B |
| HARRIS ASSOCIATES L P | 8,687,496 | $1.45B |
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